Grammar videos: Have to, must and should for obligation and advice – answers
Answers to Have to, must and should for obligation and
advice – exercises
1. Check your grammar: grouping – have to, must and should
You have to …
You mustn’t …
You should …
show your passport or identity
card to get on a plane.
use your mobile phone during an
exam.
arrive at the airport early in case
there are delays.
be seventeen to drive a car in the
UK.
drive on the right side of the road
in the UK – everyone drives on
the left!
always get enough sleep before
driving a car.
complete a lot of exams, study
and training to be a doctor.
call the emergency services if you
just have a cold.
rest and drink lots of liquids if you
have a cold.
2. Check your grammar: error correction – have to, must and should
1.
2.
3.
4.
You must see the Chrysler Building when you're in New York. or
You should see the Chrysler Building when you're in New York.
Should I call him?
You don't have to wear uniform in the sixth form. or You do not have to wear uniform in the sixth form.
We mustn't make any noise; my grandfather's sleeping. or
We must not make any noise; my grandfather's sleeping.
5.
6.
You really should go and see a doctor about that.
He shouldn't talk to people like that. or He should not talk to people like that.
7.
8.
Why do we always have to come to the same café?
Must you make that terrible noise all the time?
3. Check your grammar: word 2 word – have to, must and should
1.
You mustn’t tell everyone!
2.
We have to be there early
3.
I must remember to call Dad
4.
You don’t have to pay
5.
You should try this fruit salad!
6.
You mustn’t be late for class
7.
You should get some new trousers
8.
You don’t have to eat it all
9.
He shouldn’t worry about it